Page 55 - TPA Journal September October 2022
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collective knowledge of the officers involved in     round-up.  And the government did not
        the search and seizure operation.”          This     introduce into evidence the packet or any
        doctrine applies “so long as there is ‘some          details about the origin or timeliness of the
        degree of communication’ between the acting          information therein to show that it was
        officer and the officer who has knowledge of         premised on articulable facts.
        the necessary facts.” Officers may conduct an
        investigatory stop in reliance on information        We do not blindly accept officers’ reliance on
        issued through police channels, such as a            information obtained through police channels;
        wanted flyer or bulletin or a radio dispatch, if     the government must substantiate the basis of
        the information is based on “articulable facts       the information. Because the government here
        supporting a reasonable suspicion that the           has not established reasonable suspicion that
        wanted person has committed an offense.”             could have been transferred between
        But if the information “has been issued in the       officers, the collective knowledge doctrine
        absence of a reasonable suspicion, then a stop       does not apply.
        in the objective reliance upon it violates
        the Fourth Amendment.”                               We REVERSE the denial of Alvarez’s motion to
                                                             suppress,  VACATE his conviction and
        Officer Deleon’s team could rely on the              sentence,    and     REMAND       for    further
        information in the round-up packet only “if the      proceedings consistent with this opinion.
        police who  issued  [the packet] possessed a         U.S. v. Alvarez, No. 21-40091, 5    th  Cir., July
        reasonable suspicion justifying a stop.”     But     13, 2022.
        Deleon did not know who provided the                 ********************************************
        information in the packet, and he only vaguely       ********************************
        described the investigation leading up to the







































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